/****************************************************************************
**
** Copyright (C) 2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Concurrent project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef MODELTEST_H
#define MODELTEST_H

#include <QtCore/QObject>
#include <QtCore/QAbstractItemModel>
#include <QtCore/QStack>

class ModelTest : public QObject
{
        Q_OBJECT

    public:
        ModelTest(QAbstractItemModel *model, QObject *parent = 0);

    private Q_SLOTS:
        void nonDestructiveBasicTest();
        void rowCount();
        void columnCount();
        void hasIndex();
        void index();
        void parent();
        void data();

    protected Q_SLOTS:
        void runAllTests();
        void layoutAboutToBeChanged();
        void layoutChanged();
        void rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
        void rowsInserted(const QModelIndex & parent, int start, int end);
        void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
        void rowsRemoved(const QModelIndex & parent, int start, int end);

    private:
        void checkChildren(const QModelIndex &parent, int currentDepth = 0);

        QAbstractItemModel *model;

        struct Changing
        {
            QModelIndex parent;
            int oldSize;
            QVariant last;
            QVariant next;
        };

        QStack<Changing> insert;
        QStack<Changing> remove;

        bool fetchingMore;

        QList<QPersistentModelIndex> changing;
};

#endif
